Low pressure EGR system for diesel engines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 16, 2001
Grant Date -
N/A
app pub date -
May 26, 2000
filing date -
May 26, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A low pressure EGR system suitable for use as a passive retrofit system is disclosed for moving vehicles equipped with a diesel engine. The EGR loop inlet is positioned upstream of the exhaust particulate filter and downstream of the turbine to utilize backpressure created by the exhaust particulate filter to insure EGR flow in the loop. A catalyzed soot filter in communication with the EGR pickup insures cleansed EGR gases at the EGR return downstream of the air filter and upstream of the compressor. A corrugated EGR line provides cooling of the EGR gases.
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